Backend Engineer (Mobile App)

We're on the lookout for individuals who are passionate about fashion, think outside the box, and have an eye for innovation.
Unleash your potential with us, and join us as we create joy and excitement in our global community to empower people to express themselves freely through fashion.

We’re hiring a Backend Engineer to own and evolve our Backend-for-Frontend (BFF) layer powering mobile commerce at scale. This is a hands-on role focused on building, improving, and operating serverless backend services that support the mobile app and integrate with Salesforce Commerce Cloud.

Responsibilities:

• Own and develop the BFF layer for a high-traffic mobile commerce platform

• Design and build APIs that are optimized for mobile client consumption

• Implement and improve key backend services across auth, catalog, cart, and checkout

• Drive improvements in performance, reliability, observability, and security

• Work on caching, payload optimization, cold start reduction, and cost efficiency

• Support production operations, incident troubleshooting, and root cause analysis

• Partner with mobile, platform, and SRE teams on architecture, deployments, and service improvements

Requirements:

• 3–5 years of backend engineering experience

• Strong experience with Node.js and TypeScript

• Experience building and operating AWS serverless applications in production

• Good understanding of Infrastructure as Code (preferably AWS CDK)

• Experience with API design, distributed caching, and backend performance optimization

• Familiarity with production systems, monitoring, and debugging

• Experience with ECommerce, consumer products, or high-traffic platforms is a plus

• Comfortable owning a platform area and improving existing systems over time

• Experience with Salesforce Commerce Cloud / SCAPI

• Exposure to Sanity or other headless CMS platforms

• Familiarity with CloudWatch, tracing tools, and observability patterns

• Experience supporting mobile-first architectures

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